Aerospace / Military
Aerospace Series General Aviation Rod Ends Spherical Bearings Mil Spec Series Rod Ends Spherical Bearings Bushings Approved Part Numbers
Commercial / Industrial
Rod End Bearings Inch Rod Ends Metric Rod Ends Spherical Bearings Inch Spherical Bearings Metric Spherical Bearings
Technical Resources
Terms and Definitions Articles Technical Data FAQs Key Term Translation Custom Engineered Products
Online Catalog
Engineers power search our entire catalog of bearing and bushings, with access to every attribute and technical specification possible. View our online catalog...
CAD (0) ▾
  • Cart is empty
  1. Request CAD files
Request Information Add to CAD Cart
The configuration of the TDO provides a wide effective bearing spread, making it ideal for applications in which overturning moments are a significant load component. TDO bearings can be used in fixed positions or allowed to float in the housing bore.
Unit of Measure

Specifications

Series

 N/A 455

Cone Part Number

 N/A 464A

Cup Part Number

 N/A 452D

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Dimensions

d - Bore

 N/A 1 5/8 in41.275 mm

D - Cup Outer Diameter

 N/A 4.25 in107.95 mm

B - Cone Width

 N/A 1.1542 in29.317 mm

C - Double Cup Width

 N/A 2.1250 in53.975 mm

T - Bearing Width across Cones

 N/A 2.5625 in65.088 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 0.06 in1.5 mm
r - Cup Backface "To Clear" Radius2 N/A 0.030 in0.8 mm

db - Cone Backface Backing Diameter

 N/A 2.13 in54 mm

Da - Cup Frontface Backing Diameter

 N/A 3.96 in100.58 mm

Aa - Cage-Cone Backface Clearance

 N/A 0.07 in1.8 mm
a - Effective Center Location3 N/A -0.28 in-7.1 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 N/A 7900 lbf35200 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 N/A 53100 lbf236000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 N/A 13800 lbf61200 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 N/A 4540 lbf20200 N

Factors

K - Factor8 N/A 1.74
e - ISO Factor9 N/A 0.34
Y1 - ISO Factor10 N/A 2.01
Y2 - ISO Factor11 N/A 3
Cg - Geometry Factor12 N/A 0.0946
  • 1 These maximum fillet radii will be cleared by the bearing corners.
  • 2 These maximum fillet radii will be cleared by the bearing corners.
  • 3 Negative value indicates effective center inside cone backface.
  • 4 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
  • 5 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 6 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
  • 7 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
  • 8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 10 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 11 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 12 Geometry constant for Lubrication Life Adjustment Factor a3l.